Question
Find the augmented matrices of the linear systems.$$\begin{array}{r}x+5 y=-1 \\-x+y=-5 \\2 x+4 y=4\end{array}$$
Step 1
In the first equation, the coefficients of x and y are 1 and 5 respectively. In the second equation, the coefficients of x and y are -1 and 1 respectively. In the third equation, the coefficients of x and y are 2 and 4 respectively. Show more…
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